| 摘要 |
A motorized scissor jack is provided including upper and lower limit switches. The motor is connected with a drive assembly that extends and retracts the jack through a displacement screw. The motor has two speeds. The jack is connectable to a vehicular or standard alternating current power source. The upper and lower limit switches limit the extension and retraction of the jack to defined peak and bottom points. The jack is configured for operation in inclement weather.
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